A large low pressure system moved from the Ohio Valley into the Middle Appalachians on November 29. Southerly winds brought moisture into the region.
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Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS LWX wrote it up.
A large low pressure system moved from the Ohio Valley into the Middle Appalachians on November 29. Southerly winds brought moisture into the region. Heavy rainfall occurred across much of the area, and thunderstorms produced flash flooding in Frederick County. A few severe thunderstorms also occurred.
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Baltimore/Washington wrote its last area forecast discussion before the first event at Nov 29, 2:51 PM EST, 3 hours 44 minutes earlier.
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</html>The Sterling radar (KLWX), 77 km away, was scanning. The volume nearest the first event began at 23:35 UTC.
2 thunderstorm wind, 1 flash flood. Local standard time, as filed.
Several trees were downed in the vicinity of Raven Rock Road and Edgemont Road.
Roof blown off house and rendered uninhabitable.
Numerous roads flooded around the city.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Maryland in 2005Every state in 2005This day in weather historyWarnings in Maryland, November 2005
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 5480097, 5480096, 5480098.